載入中... 相關課程 Back 【觀念】消化系統 消化管和消化腺 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 【觀念】消化系統 消化管和消化腺 上傳學習單 下載學習單